I don't think there's anything wrong with the big score that England might get in the match against Iran because after all, it's clear they have different market values so there's nothing wrong with putting England to win with a big score. But indeed, to get a victory with a big score will never be easy and that is also not meant to be underestimated.
Because if in reality, for example, England wins big with great effort, then at least it can be said that Iran remains a difficult opponent, unless England wins big in an easy way, then at least it can be said that Iran is still too weak.
Anyway, I personally believe that England will still win whether with a big or small score and I also believe that England will get clean sheets in this match.
I personally only consider the quality of the team and also the players, of course, because I think it is clear that the mentality of the players that England has is better and has a higher winning mentality when compared to Iran.